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GIA Spots CVD Stone in Parcel of Treated Melee
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In a rare case, the Gemological Institute of America (GIA)has discovered an irradiated chemical vapor deposition (CVD) diamond in a batch of natural melee aclient had submitted for testing. The GIA’s Tokyo laboratory found the 0.007-carat, irradiatedgreen-blue...
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Polished Markets
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Feb 10, 2019
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Rapaport News
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Top 10 Stories of 2018: A Year of Synthetics
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This was the year in which synthetic diamonds wentmainstream. De Beers launched its Lightbox brand, the US Federal TradeCommission (FTC) relaxed its rules for describing lab-grown diamonds, andthe likes of Macy’s and JCPenney started...
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Polished Markets
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Dec 18, 2018
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Joshua Freedman
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Small-Diamond Slump to Pressure Manufacturers
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RAPAPORT PRESS RELEASE, December 4, 2018, New York… The sharp decline in prices of small, low-value diamonds will exert further pressure on India’s manufacturing sector, according to the latest issue of the Rapaport Research Report. Prices...
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Polished Markets
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Dec 04, 2018
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Rapaport
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Analysis: A Crisis in Melee
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Among the standout trends that have taken shape in the diamond trade this year is the poor performance of small and cheaper stones. But the drop in the so-called melee market has not been...
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Polished Markets
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Nov 27, 2018
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Avi Krawitz
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Melee Parcel Contains Just One Natural Stone
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The Gemological Institute of America (GIA) found just onenatural diamond in a melee parcel containing more than 1,000 undisclosedsynthetic stones, according to a recent lab note. The organization’s New York center received 1,102 smalldiamonds weighing...
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Technology
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Aug 16, 2018
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Rapaport News
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GIA Opens Synthetics-Testing Center Inside Stuller
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The Gemological Institute of America (GIA) has launched amelee-screening center on the premises of diamond supplier Stuller, enablingthe jeweler to verify the natural origin of its stones.The arrangement allows Stuller to sell its natural diamondsto retail...
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Technology
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Apr 18, 2018
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Joshua Freedman
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Rapaport Melee Index Stable in 2Q
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RAPAPORT PRESS RELEASE, July 18, 2017, New York…The Rapaport Melee Index (RMI™) for small diamonds was stable at 108.50 during the second quarter of 2017. Year over year, the index was down...
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Polished Markets
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Jul 19, 2017
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Rapaport
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GIA Finds Significant Undisclosed Synthetics
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The Gemological Institute of America (GIA) recently uncovered an unusually large number of undisclosed synthetic diamonds mixed in with natural melee diamonds, the lab confirmed with Rapaport News on Monday. A parcel of 323 melee diamonds with...
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Polished Markets
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Mar 07, 2017
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Avi Krawitz
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De Beers Unveils New Synthetics Detector
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De Beers showcased an updated version of its automated melee screening machine, the AMS2, in Hong Kong on Wednesday, claiming it could check a wider range of diamonds for undisclosed synthetics, and at a faster rate. The new version was...
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Polished Markets
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Mar 01, 2017
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Avi Krawitz
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De Beers Expands Surat Grading Center
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De Beers plans to expand its diamond grading facility in Surat, India as the company increases the services it offers at the facility. The International Institute of Diamond Grading &Research (IIDGR), a subsidiary of De Beers, said it will invest $5 million...
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Technology
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Dec 06, 2016
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Rapaport News
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GIA Rolls Out Synthetic Melee Testing Service
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The Gemological Institute of America (GIA) has startedaccepting stones for its automated melee testing service, which identifiespotential synthetics in batches of small diamonds.Following a five-monthpilot, the GIA Melee Analysis Service is now open at most GIA...
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Polished Markets
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Dec 06, 2016
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Rapaport News
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Stuller Debuts Traceable Melee Supply
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Diamond manufacturer Stuller said it has become the firstsupplier in the United States to provide a rare ability to track the journey of meleediamonds through the supply chain. The company partnered with miner Dominion DiamondCorporation to introduce...
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Polished Markets
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Nov 02, 2016
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Rapaport News
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Rapaport to Provide 100% Natural Untreated Diamond Melee
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PRESS RELEASE, August 2, 2016, New York…Rapaport Auctions and Tradingis pleased to offer clients the opportunity to purchase parcels of melee thatare 100% natural and untreated. Every single diamond in these parcels is testedusing the latest...
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Rough Markets
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Aug 02, 2016
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Rapaport
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GIA to Launch Synthetic Testing Service for Melee
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The Gemological Institute of America (GIA) is piloting aservice to sift out synthetics and treated diamonds from melee.The GIA Melee Analysis Service will “rapidly and accurately”analyze and sort stones measuring 1.1 millimeters to 3.8...
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Technology
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May 29, 2016
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Rapaport News
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Polished Markets
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Oct 21, 2015
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Rapaport News
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HRD to Intro Melee Screening Unit at Hong Kong Show
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HRD Antwerp will introduce an automated melee screening device, known as M-Screen, on September 17 at the Hong Kong Jewellery & Gem Fair, according to an announcement by the diamond certification lab.The machine was developed in a venture with Belgium’s...
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Technology
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Sep 02, 2015
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Rapaport News
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Rapaport Melee Diamond Index -4% in 1Q15
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PRESS RELEASE, April 13, 2015, New York ... The Rapaport Melee Index (RMI™) for small diamonds decreased by 4 percent to 124.50 during the first quarter of 2015. Year over year, the index is down...
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Polished Markets
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Apr 13, 2015
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Rapaport
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Rapaport to Auction Over 98,000 Carats in Hong Kong
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Press Release: Rapaport Auctions, the leading recycler of diamonds in the world, will be opening its melee auction in Hong Kong on March 2 with over 98,000 carats of diamonds. The auction consists of recycled and finely assorted...
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Polished Markets
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Mar 02, 2015
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Rapaport
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Rapaport Melee Diamond Index -7% in 3Q
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PRESS RELEASE, October 14, 2014, New York... The Rapaport Melee Index (RMI™) for small diamonds decreased by 6.8 percent to 129.32 during the third quarter of 2014. Year over year the index is up 2.6...
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Polished Markets
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Oct 14, 2014
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Rapaport
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De Beers Distributes Its Automated Melee Screening Instrument
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Press Release: Jonathan Kendall, the president of the International Institute of Diamond Grading & Research(IIDGR) is pleased to announce that the Automated Melee Screening (AMS) instrument is nowbeing dispatched to De Beers sightholders across the globe, withthe...
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Technology
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Jul 08, 2014
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De Beers
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